Knowing how to find out a manufacture date of a Windows computer (laptop or desktop) can be useful in many ways. For example, if you are purchasing a second-hand computer you may want to know how old is it to determine the warranty status or to negotiate the price. This note shows 3 different ways […]
windows
How To Find Windows Product Key using CMD
A Windows product key is a 25-character code used to activate Windows, that looks like: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX When Windows is getting installed on a computer, it stores its product key in a registry from where anyone can view it. This short note shows how to find your Windows product key using a Windows command prompt (CMD).
Check Windows License Type – Volume | OEM | Retail
There are three types of Windows licenses: Retail, OEM (Original Equipment Manufacturer) and Volume. If you wonder which of these licenses is applied to your system, you can easily find this out using a Windows command prompt (CMD) or PowerShell.
IPv6 Ping – How to Ping an IPv6 Address in Windows
An IPv6 is a preferred protocol over IPv4 in modern Windows and Linux systems. In Windows, you can ping IPv6 addresses using a standard ping command. If the ping command fails to ping the IPv6 address, it could be that the IPv6 protocol is disabled or it is not supported by your computer or the […]
Windows: Uninstalled Programs History
In Windows you can easily get a list of installed apps with the installation dates through a “Programs and Features” (press ⊞ Win + R to start the “Run” dialog and type in appwiz.cpl and click “OK”). To get a history of uninstalled programs is a bit more challenging, but is still possible using an […]
Copy as Path: Get Full Path of File on Windows
An absolute path, also known as a full path, on Windows systems represents the complete details needed to locate a file or folder, starting from a drive letter (e.g. C:\), including all sub-folders and ending with the file or folder name. Once you have located the desired file or folder in a File Explorer, there […]
Git Bash: Increase Terminal Scrollback Buffer Size
If you run a command that produces a lot of output in a Git Bash and you try to scroll up to the beginning of that output, you may see that it has been truncated. The number of lines that can be displayed in the Git Bash is controlled by a scrollback buffer size (10000 […]
Git Bash: Install jq
jq is a command-line tool for parsing a JSON data (like grep or sed for a text data). You can use the jq command on Windows using a Git Bash, but firstly it has to be installed as it is not among the default tools. This note shows how to install the jq for the […]
Generate SSH Key in Windows
Starting from Windows 10 build 1809, Windows has a native SSH client that is based on the OpenSSH port. The OpenSSH client in Windows includes an ssh-keygen – the command-line tool for creating authentication keys for SSH. To create a pair of SSH keys in Windows, the ssh-keygen command can be executed from a Windows […]
Microsoft Edge: Bypass NET::ERR_CERT_AUTHORITY_INVALID
Usually, when you get the NET::ERR_CERT_AUTHORITY_INVALID error in a Microsoft Edge browser you can bypass it by going to “Advanced” and clicking on “Continue to <website> (unsafe)” option. But it may happen that there is no such option in “Advanced”. This short note shows how to bypass the error NET::ERR_CERT_AUTHORITY_INVALID in the Microsoft Edge if […]